纪录片《熟食造就了人类吗》 第34期:消化并释放能量(在线收听) |
The potato pieces are still there, 马铃薯碎片仍然存在 essentially, just sitting in the digestive juices. 本质上来说 只是被浸在消化液中 It would then pass into our colon 接下来它会经过我们的结肠 and would, effectively, sit in the colon 然后留在结肠里 and would just not be digested and would give us serious tummy ache. 不被消化 会造成严重的腹痛 Then he sees whether the mechanical gut fares any better 接下来他要研究机械内脏能否更好地处理 with the cooked potato. 烹煮过的马铃薯 With the raw potato, 当实验对象是生马铃薯时 we saw the pieces were coming out almost as they went in. 我们看到马铃薯碎片从始至终几乎没有变化 With the cooked potato because we've got a less rigid structure, 应对熟马铃薯时 因为它的结构已不再坚固 we can start to digest it and release all the nutrients out. 于是我们开始消化它 使之释放出全部营养 This time, the gut has indeed reduced the cooked potato to a pulp. 这一次 模拟内脏确实使熟马铃薯成为了浆液 But to discover what advantages cooking might have for the body, 为了研究烹煮对身体的益处 Martin wants to test 马丁要测定 how much energy the digestive system has released from the potatoes. 消化系统从马铃薯里获得的能量总量 He adds a reagent to the raw potato marked with an R 他向生马铃薯中加入一种试剂 标记为R and to the cooked potato, marked with a C. 也向熟马铃薯中加入这种试剂 标记为C |
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